461722957 has 2 divisors, whose sum is σ = 461722958. Its totient is φ = 461722956.

The previous prime is 461722913. The next prime is 461722979. The reversal of 461722957 is 759227164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239444676 + 222278281 = 15474^2 + 14909^2 .

It is a cyclic number.

It is not a de Polignac number, because 461722957 - 2⁷ = 461722829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461762957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230861478 + 230861479.

It is an arithmetic number, because the mean of its divisors is an integer number (230861479).

Almost surely, 2^461722957 is an apocalyptic number.

It is an amenable number.

461722957 is a deficient number, since it is larger than the sum of its proper divisors (1).

461722957 is an equidigital number, since it uses as much as digits as its factorization.

461722957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 43.

The square root of 461722957 is about 21487.7396903444. The cubic root of 461722957 is about 772.9068496418.

The spelling of 461722957 in words is "four hundred sixty-one million, seven hundred twenty-two thousand, nine hundred fifty-seven".